I've spent a while building a fact-checking pipeline, and I finally did a boring thing I should have done sooner: I took every source URL the system had cited across a batch of checks and just tested whether the pages actually existed. About 1 in 1…

About a year ago I was running a single open-source AI image detector in production for a fact-checking pipeline. The accuracy on paper was solid, the accuracy on real submitted images was not. The same image classified differently across reruns when I…

After a year building a production fact-checking system, the single most counter-intuitive design decision I keep defending is this: the LLM in our pipeline never produces a numeric score, never produces a true/false verdict, never produces anything th…